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Small-Angle Scattering from Disordered Systems

Published online by Cambridge University Press:  26 February 2011

Dale W. Schaefer
Dale W. Schaefer*
Affiliation:
Division 1152, Sandia National Laboratories, Albuquerque, NM 87185-5800
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Abstract

A general discussion of scattering from disordered materials is presented. The parameters which characterize structure are illustrated in real-space and are also identified in the reciprocal-space profile measured in a scattering experiment. Scattering from fractal objects is described in detail. To illustrate the interpretation of scattering data, the growth and structure of fumed silica is discussed. The flame growth of silica is explained in terms of monomer-cluster ballistic polymerization in the early stages and diffusion-limited aerosol aggregation in the latter stages.

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